Hip Region Flashcards
(42 cards)
OPP of Hip Joint
30 Flexion
30 Abduction
Slight ER
CPP of Hip Joint
Extension
Abduction
Internal Rotation
CP of Hip Joint
IR > F > Abd
DF of Hip Joint
3 DOF
What type of joint is the Hip joint
Multi-axial Ball and Socket joint
Low loads
Incongruous joint surfaces
High loads
Congruous surface joints
Hip load during standing
0.3 x BW
Hip load during standing on one limb
2.4 - 2.6 x BW
Hip load during walking
1.3 - 5.8 x BW
Hip load during walking up the stairs
3 x BW
Hip load during running
4.5 x BW
Normal Center Edge Angle
20-30 degrees
Measurement defines the extent to which the acetabulum covers the top of the femoral head
Center Edge Angle
CEA is the intersection of:
Vertical, fixed reference line
Acetabular reference line
Indicates the extent to which the acetabulum covers the front of the femoral head
Acetabular Anteversion Angle
AAA is formed by the intersection of?
Fixed anterior-posterior reference line
Acetabular reference
Normal Femoral Torsion angle
8-15 degrees
Femoral Torsion is assessed through
Forming ang axis from the femoral condyle
Forming an axis from the femoral head
Normal angle of inclination
125 degrees
Coxa Valga
170 degrees
Knock knees
leads to LLD
Coxa Vara
100 degrees
Ballet
Reduction of femur length
Hip instability and LLD
Common in infants, primarily girls
Congenital Hip Dysplasia
More common in boys 3-12 years old
Legg-Calve-Perthes Disease